Upgrade Ava to v4

node_modules/pkg-conf/package.json

@@ -1,16 +1,19 @@
 {
   "name": "pkg-conf",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "description": "Get namespaced config from the closest package.json",
   "license": "MIT",
   "repository": "sindresorhus/pkg-conf",
+  "funding": "https://github.com/sponsors/sindresorhus",
   "author": {
     "name": "Sindre Sorhus",
     "email": "sindresorhus@gmail.com",
-    "url": "sindresorhus.com"
+    "url": "https://sindresorhus.com"
   },
+  "type": "module",
+  "exports": "./index.js",
   "engines": {
-    "node": ">=6"
+    "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
   },
   "scripts": {
     "test": "xo && ava && tsd"
@@ -27,23 +30,21 @@
     "fs",
     "graceful",
     "load",
-    "pkg",
     "package",
     "config",
-    "conf",
     "configuration",
     "object",
     "namespace",
     "namespaced"
   ],
   "dependencies": {
-    "find-up": "^3.0.0",
-    "load-json-file": "^5.2.0"
+    "find-up": "^6.0.0",
+    "load-json-file": "^7.0.0"
   },
   "devDependencies": {
-    "ava": "^1.4.1",
-    "tsd": "^0.7.2",
-    "xo": "^0.24.0"
+    "ava": "^3.15.0",
+    "tsd": "^0.17.0",
+    "xo": "^0.44.0"
   },
   "fixture": {
     "foo": true